To recap: The Audi A2 concept signals the revival of a nameplate that was discontinued six years ago. Similar to the original, the A2 concept makes extensive use of lightweight materials, such as aluminum and carbon fiber, to keep curb weight to a minimum and to maximize fuel economy.

The new Audi A2 concept is designed to use an electric drive, with the battery pack mounted in the floor. Audi says it can also use a range-extending hybrid powertrain.